Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , POPPET , ENGINE
Definition:
A MUSHROOM OR TULIP-SHAPED ITEM HAVING A CIRCULAR HEAD WITH A CONICAL FACE AND AN EXTENDED STEM USED TO REGULATE THE FLOW OF INCOMING FUEL-AIR MIXTURE OR AIR INTO THE COMBUSTION CHAMBER OR EXHAUST GASES FROM THE COMBUSTION CHAMBER OF A RECIPROCATING INTERNAL COMBUSTION ENGINE.
CAGE Information
| Code | Company |
|---|---|
| 76255 | MCQUAY-NORRIS INC OEM DIV AN SKF IND |
Federal Supply Class
Title
DIESEL ENGINES AND COMPONENTS
Inclusions:
INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.
Exclusions:
EXCLUDES ENGINES ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ANNQ | MATERIAL AND LOCATION | STEEL TIP |
| ANNQ | MATERIAL AND LOCATION | STEEL TIP |
| ALZL | FIRST GROOVE DIAMETER | 0.3330 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING SEAT FACE |
| ABKV | OUTSIDE DIAMETER | 1.8437 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.7750 INCHES NOMINAL |
| ALZB | NECK RADIUS | 0.5000 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.1580 INCHES NOMINAL |
| ALZD | STEM LENGTH | 5.8340 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3700 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ANNQ | MATERIAL AND LOCATION | STEEL STEM |
| AASK | HEAD STYLE | FLAT |
| ANNQ | MATERIAL AND LOCATION | STEEL, CORROSION RESISTING HEAD |
| ALZQ | FIRST GROOVE WIDTH | 0.1150 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.3310 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 1.0220 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | ANY ACCEPTABLE |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| FEAT | SPECIAL FEATURES | STEM END MACHINED TO 0.370 IN. BALL DIA |
| AATE | CHAMFER ANGLE IN DEG | ANY ACCEPTABLE |
| ALZR | SECOND GROOVE WIDTH | 0.0850 NOMINAL INCHES |